September 5, 2008
---------------------

Version 1 (V001) of the Level 2, 3, and 4 (L2, L3, and L4) files for
the Donaldson pine site (US-SP3) near Gainesville, Florida were posted.
The initial version of these L2, L3, and L4 files cover the period
1999-2004.


June 23, 2011
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Version 2 (V002) of the L2 files for US-SP3 were posted.  The new
files cover the period 1999-2009.  Net radiation (Rn) values for 2007
were incorrect. The Donaldson team have been notified but for the time
being all Rn values for 2007 were set to missing. Similarly, wind speed
and direction values for 2008 are missing but exist in previous and
following years.  


July 20, 2012
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Version 3 (V003) of the L2 files for the Donaldson (US-SP3) site in
Florida were posted.  The new files cover the period 1999 to 2010.
The 2007 net radiation data problems in V002 have been corrected as
have time stamp issues.  Details on the processing of original files
provided by Tim Martin, Greg Starr, and team by CDIAC to produce the
V003 L2 files may be found at

ftp://cdiac.ornl.gov/pub/ameriflux/data/Level2/Sites_ByName/Donaldson/with_gaps/report_Donaldson.html